Home | History | Annotate | Download | only in hf_client
      1 /******************************************************************************
      2  *
      3  *  Copyright (c) 2014 The Android Open Source Project
      4  *  Copyright 2003-2012 Broadcom Corporation
      5  *
      6  *  Licensed under the Apache License, Version 2.0 (the "License");
      7  *  you may not use this file except in compliance with the License.
      8  *  You may obtain a copy of the License at:
      9  *
     10  *  http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  *  Unless required by applicable law or agreed to in writing, software
     13  *  distributed under the License is distributed on an "AS IS" BASIS,
     14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  *  See the License for the specific language governing permissions and
     16  *  limitations under the License.
     17  *
     18  ******************************************************************************/
     19 
     20 /******************************************************************************
     21  *
     22  *  This is the implementation of the API for the handsfree (HF role)
     23  *  subsystem of BTA
     24  *
     25  ******************************************************************************/
     26 
     27 #include <string.h>
     28 
     29 #include "bta_hf_client_api.h"
     30 #include "bta_hf_client_int.h"
     31 #include "osi/include/compat.h"
     32 
     33 /*****************************************************************************
     34  *  External Function Declarations
     35  ****************************************************************************/
     36 
     37 /*******************************************************************************
     38  *
     39  * Function         BTA_HfClientEnable
     40  *
     41  * Description      Enable the HF CLient service. It does the following:
     42  *                  1. Sets the state to initialized (control blocks)
     43  *                  2. Starts the SDP for the client role (HF)
     44  *                  3. Starts the RFCOMM server to accept incoming connections
     45  *                  The function is synchronous and returns with an error code
     46  *                  if anything went wrong. This should be the first call to the
     47  *                  API before doing an BTA_HfClientOpen
     48  *
     49  * Returns          BTA_SUCCESS if OK, BTA_FAILURE otherwise.
     50  *
     51  ******************************************************************************/
     52 tBTA_STATUS BTA_HfClientEnable(tBTA_HF_CLIENT_CBACK* p_cback, tBTA_SEC sec_mask,
     53                                tBTA_HF_CLIENT_FEAT features,
     54                                const char* p_service_name) {
     55   return bta_hf_client_api_enable(p_cback, sec_mask, features, p_service_name);
     56 }
     57 
     58 /*******************************************************************************
     59  *
     60  * Function         BTA_HfClientDisable
     61  *
     62  * Description      Disable the HF Client service
     63  *
     64  * Returns          void
     65  *
     66  ******************************************************************************/
     67 void BTA_HfClientDisable(void) { bta_hf_client_api_disable(); }
     68 
     69 /*******************************************************************************
     70  *
     71  * Function         BTA_HfClientOpen
     72  *
     73  * Description      Opens up a RF connection to the remote device and
     74  *                  subsequently set it up for a HF SLC
     75  *
     76  * Returns          void
     77  *
     78  ******************************************************************************/
     79 void BTA_HfClientOpen(const RawAddress& bd_addr, tBTA_SEC sec_mask,
     80                       uint16_t* p_handle) {
     81   APPL_TRACE_DEBUG("%s", __func__);
     82   tBTA_HF_CLIENT_API_OPEN* p_buf =
     83       (tBTA_HF_CLIENT_API_OPEN*)osi_malloc(sizeof(tBTA_HF_CLIENT_API_OPEN));
     84 
     85   if (!bta_hf_client_allocate_handle(bd_addr, p_handle)) {
     86     APPL_TRACE_ERROR("%s: could not allocate handle", __func__);
     87     return;
     88   }
     89 
     90   p_buf->hdr.event = BTA_HF_CLIENT_API_OPEN_EVT;
     91   p_buf->hdr.layer_specific = *p_handle;
     92   p_buf->bd_addr = bd_addr;
     93   p_buf->sec_mask = sec_mask;
     94 
     95   bta_sys_sendmsg(p_buf);
     96 }
     97 
     98 /*******************************************************************************
     99  *
    100  * Function         BTA_HfClientClose
    101  *
    102  * Description      Close the current connection to an audio gateway.
    103  *                  Any current audio connection will also be closed
    104  *
    105  *
    106  * Returns          void
    107  *
    108  ******************************************************************************/
    109 void BTA_HfClientClose(uint16_t handle) {
    110   BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
    111 
    112   p_buf->event = BTA_HF_CLIENT_API_CLOSE_EVT;
    113   p_buf->layer_specific = handle;
    114 
    115   bta_sys_sendmsg(p_buf);
    116 }
    117 
    118 /*******************************************************************************
    119  *
    120  * Function         BTA_HfCllientAudioOpen
    121  *
    122  * Description      Opens an audio connection to the currently connected
    123  *                 audio gateway
    124  *
    125  *
    126  * Returns          void
    127  *
    128  ******************************************************************************/
    129 void BTA_HfClientAudioOpen(uint16_t handle) {
    130   BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
    131 
    132   p_buf->event = BTA_HF_CLIENT_API_AUDIO_OPEN_EVT;
    133   p_buf->layer_specific = handle;
    134 
    135   bta_sys_sendmsg(p_buf);
    136 }
    137 
    138 /*******************************************************************************
    139  *
    140  * Function         BTA_HfClientAudioClose
    141  *
    142  * Description      Close the currently active audio connection to an audio
    143  *                  gateway. The data connection remains open
    144  *
    145  *
    146  * Returns          void
    147  *
    148  ******************************************************************************/
    149 void BTA_HfClientAudioClose(uint16_t handle) {
    150   BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
    151 
    152   p_buf->event = BTA_HF_CLIENT_API_AUDIO_CLOSE_EVT;
    153   p_buf->layer_specific = handle;
    154 
    155   bta_sys_sendmsg(p_buf);
    156 }
    157 
    158 /*******************************************************************************
    159  *
    160  * Function         BTA_HfClientSendAT
    161  *
    162  * Description      send AT command
    163  *
    164  *
    165  * Returns          void
    166  *
    167  ******************************************************************************/
    168 void BTA_HfClientSendAT(uint16_t handle, tBTA_HF_CLIENT_AT_CMD_TYPE at,
    169                         uint32_t val1, uint32_t val2, const char* str) {
    170   tBTA_HF_CLIENT_DATA_VAL* p_buf =
    171       (tBTA_HF_CLIENT_DATA_VAL*)osi_malloc(sizeof(tBTA_HF_CLIENT_DATA_VAL));
    172 
    173   p_buf->hdr.event = BTA_HF_CLIENT_SEND_AT_CMD_EVT;
    174   p_buf->uint8_val = at;
    175   p_buf->uint32_val1 = val1;
    176   p_buf->uint32_val2 = val2;
    177 
    178   if (str) {
    179     strlcpy(p_buf->str, str, BTA_HF_CLIENT_NUMBER_LEN + 1);
    180     p_buf->str[BTA_HF_CLIENT_NUMBER_LEN] = '\0';
    181   } else {
    182     p_buf->str[0] = '\0';
    183   }
    184 
    185   p_buf->hdr.layer_specific = handle;
    186 
    187   bta_sys_sendmsg(p_buf);
    188 }
    189 
    190 /*******************************************************************************
    191  *
    192  * Function         BTA_HfClientDumpStatistics
    193  *
    194  * Description      Dump statistics about the various control blocks
    195  *                  and other relevant connection statistics
    196  *
    197  * Returns          Void
    198  *
    199  ******************************************************************************/
    200 void BTA_HfClientDumpStatistics(int fd) { bta_hf_client_dump_statistics(fd); }
    201